trigonometry

FROM THE SKYDOME IN SM NORTH WHICH DIRECTLY ACROSS THE STREET, THE ANGLE OF ELEVATION OF TRINOMA IS 57°20' AND THE ANGLE OF DEPRESSION OF THE BASE IS 18°10'. IF THE BUILDING ARE 105 METERS APART, WHAT IS THE HEIGHT OF THE BUILDING?

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asked by john
  1. Tan18.16 = h1/105.
    h1 = 105*Tan18.16 = 34.44 m. = Height of Sky dome.

    h = h1 + h2.
    h = 34.44 + 105*Tan57.33 = 198.2 m. = Ht. of Trinoma.

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    posted by Henry

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